Home / 16,020.87-22,119.20-14,339.36

Finding the Fourth Proportional to 16,020.87, 22,119.20 and 14,339.36

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Solution

The fourth proportional to 16,020.87, 22,119.20 and 14,339.36 is: 19,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,020.87 : 22,119.20 = 14,339.36 : x
  2. Step 2: Convert to fraction form
    16,020.87/22,119.20 = 14,339.36/x
  3. Step 3: Cross multiply
    16,020.87x = 22,119.20 × 14,339.36
  4. Step 4: Simplify right side
    16,020.87x = 317,174,989.42
  5. Step 5: Solve for x
    x = 317,174,989.42/16,020.87
  6. Step 6: Final answer
    x = 19,797.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.